Balancing valve



FIG. 1 is a top front perspective view of a balancing valve according toour claimed design;

FIG. 2 is a top back perspective view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a back view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is bottom plan view thereof.

CLAIM We claim the ornamental design of a balancing valve, as shown anddescribed herein.